diff --git a/libr/core/cmd_help.inc.c b/libr/core/cmd_help.inc.c
index c90ca64a3b5b7..2bfa5d2bf8317 100644
--- a/libr/core/cmd_help.inc.c
+++ b/libr/core/cmd_help.inc.c
@@ -974,8 +974,8 @@ static int cmd_help(void *data, const char *input) {
 					pj_ks (pj, "ternary", r_strf ("0t%s", out));
 				} else {
 					r_cons_printf ("fvalue  %.1lf\n", core->num->fvalue);
-					r_cons_printf ("float   %ff\n", f);
-					r_cons_printf ("double  %lf\n", d);
+					r_cons_printf ("float   %.15ff\n", f);
+					r_cons_printf ("double  %.15lf\n", d);
 					r_cons_printf ("binary  0b%s\n", out);
 					char b36str[16];
 					b36_fromnum (b36str, n);
diff --git a/test/db/cmd/cmd_help b/test/db/cmd/cmd_help
index 03a7857b1a831..c7b7eb67ff56a 100644
--- a/test/db/cmd/cmd_help
+++ b/test/db/cmd/cmd_help
@@ -153,8 +153,8 @@ unit    1
 segment 0000:0001
 string  "\x01"
 fvalue  1.0
-float   0.000000f
-double  0.000000
+float   0.000000000000000f
+double  0.000000000000000
 binary  0b00000001
 base36  0_1
 ternary 0t1
@@ -174,8 +174,8 @@ unit    0
 segment 0000:0000
 string  "\0"
 fvalue  0.0
-float   0.000000f
-double  0.000000
+float   0.000000000000000f
+double  0.000000000000000
 binary  0b00000000
 base36  0_0
 ternary 0t0
@@ -215,8 +215,8 @@ unit    2
 segment 0000:0002
 string  "\x02"
 fvalue  3.0
-float   0.000000f
-double  0.000000
+float   0.000000000000000f
+double  0.000000000000000
 binary  0b00000010
 base36  0_2
 ternary 0t2
diff --git a/test/db/cmd/feat_variables b/test/db/cmd/feat_variables
index 3a73c45da476a..82ee5f80a8437 100644
--- a/test/db/cmd/feat_variables
+++ b/test/db/cmd/feat_variables
@@ -275,8 +275,8 @@ unit    8
 segment 0000:0008
 string  "\b"
 fvalue  8.0
-float   0.000000f
-double  0.000000
+float   0.000000000000000f
+double  0.000000000000000
 binary  0b00001000
 base36  0_8
 ternary 0t22
@@ -289,8 +289,8 @@ unit    0
 segment 0000:0000
 string  "\0"
 fvalue  0.0
-float   0.000000f
-double  0.000000
+float   0.000000000000000f
+double  0.000000000000000
 binary  0b00000000
 base36  0_0
 ternary 0t0
@@ -350,8 +350,8 @@ unit    123
 segment 0000:007b
 string  "{"
 fvalue  123.0
-float   0.000000f
-double  0.000000
+float   0.000000000000000f
+double  0.000000000000000
 binary  0b01111011
 base36  0_3f
 ternary 0t11120
diff --git a/test/db/formats/firmware b/test/db/formats/firmware
index 7e6b1a86736d5..87bf423377f65 100644
--- a/test/db/formats/firmware
+++ b/test/db/formats/firmware
@@ -40,8 +40,8 @@ unit    1023.9K
 segment f000:ffaa
 string  "\xaa\xff\x0f"
 fvalue  1048490.0
-float   0.000000f
-double  0.000000
+float   0.000000000000000f
+double  0.000000000000000
 binary  0b000011111111111110101010
 base36  0_mh0q
 ternary 0t1222021020222