diff --git a/macros/standard.mac b/macros/standard.mac
index a2ab4fc1..f2e5d7f1 100644
--- a/macros/standard.mac
+++ b/macros/standard.mac
@@ -99,7 +99,13 @@ STD: nasm
 %endmacro
 
 %imacro at 1-2+.nolist
-    times (%1-%$strucname)-($-%$strucstart) db 0
+    %defstr %$member %1
+    %substr %$member1 %$member 1
+    %ifidn %$member1, '.'
+        times (%$strucname%1-%$strucname)-($-%$strucstart) db 0
+    %else
+        times (%1-%$strucname)-($-%$strucstart) db 0
+    %endif
     %2
 %endmacro
 
diff --git a/test/istruc_local.asm b/test/istruc_local.asm
new file mode 100644
index 00000000..b24e2b2e
--- /dev/null
+++ b/test/istruc_local.asm
@@ -0,0 +1,37 @@
+;Testname=test; Arguments=-fbin -oistruc_local.bin; Files=stdout stderr istruc_local.bin
+
+struc Struc1
+    .dword: resd 1
+    .word: resw 1
+endstruc
+
+struc Struc2
+    .word: resw 1
+    .dword: resd 1
+endstruc
+
+; The following returned error about negative values for TIMES in nasm 2.15.05
+; because local labels seemingly matching Struc1 have been replaced by those in
+; Struc2.
+
+istruc Struc1
+    at .dword, dd 0xffffffff
+    at .word, dw 0x1111
+iend
+
+; The following two just didn't work as istruc was just literally outputting
+; local labels which are unknown after a global label appears.
+
+struc1:
+
+istruc Struc1
+    at .dword, dd 0x78563412
+    at .word, dw 0xbc9a
+iend
+
+struc2:
+
+istruc Struc2
+    at .word, dw 0xbc9a
+    at .dword, dd 0x78563412
+iend