diff --git a/src/util-strings.h b/src/util-strings.h
index 94236c48..063ebaf3 100644
--- a/src/util-strings.h
+++ b/src/util-strings.h
@@ -282,6 +282,7 @@ safe_atod(const char *str, double *val)
 		case '+':
 		case '-':
 		case '.':
+		case 'e':
 			break;
 		default:
 			return false;
diff --git a/test/test-utils.c b/test/test-utils.c
index 9032b377..c9b0e9ef 100644
--- a/test/test-utils.c
+++ b/test/test-utils.c
@@ -1612,6 +1612,7 @@ START_TEST(safe_atod_test)
 		{ "2147483647", true, 2147483647 },
 		{ "-2147483648", true, -2147483648 },
 		{ "4294967295", true, 4294967295 },
+		{ "-1.3e-1", true, -0.130},
 		{ "0x0", false, 0 },
 		{ "0x10", false, 0 },
 		{ "0xaf", false, 0 },