diff --git a/cucul/export_ansi.c b/cucul/export_ansi.c
index c526105..db77ecc 100644
--- a/cucul/export_ansi.c
+++ b/cucul/export_ansi.c
@@ -99,7 +99,7 @@ void _cucul_get_ansi(cucul_t *qq, struct cucul_export *ex)
     }
 
     /* Crop to really used size */
-    ex->size = strlen(ex->buffer) + 1;
+    ex->size = (uintptr_t)(cur - ex->buffer);
     ex->buffer = realloc(ex->buffer, ex->size);
 }
 
diff --git a/cucul/export_html.c b/cucul/export_html.c
index 67b293b..79a26a5 100644
--- a/cucul/export_html.c
+++ b/cucul/export_html.c
@@ -185,7 +185,7 @@ void _cucul_get_html3(cucul_t *qq, struct cucul_export *ex)
     cur += sprintf(cur, "</table>\n");
 
     /* Crop to really used size */
-    ex->size = strlen(ex->buffer) + 1;
+    ex->size = (uintptr_t)(cur - ex->buffer);
     ex->buffer = realloc(ex->buffer, ex->size);
 }
 
diff --git a/cucul/export_irc.c b/cucul/export_irc.c
index 214ad3c..83eff3b 100644
--- a/cucul/export_irc.c
+++ b/cucul/export_irc.c
@@ -58,8 +58,6 @@ void _cucul_get_irc(cucul_t *qq, struct cucul_export *ex)
 
     cur = ex->buffer;
 
-    *cur++ = '\x0f';
-
     for(y = 0; y < qq->height; y++)
     {
         uint32_t *lineattr = qq->attr + y * qq->width;
@@ -105,9 +103,7 @@ void _cucul_get_irc(cucul_t *qq, struct cucul_export *ex)
         *cur++ = '\n';
     }
 
-    *cur++ = '\x0f';
-
     /* Crop to really used size */
-    ex->size = strlen(ex->buffer) + 1;
+    ex->size = (uintptr_t)(cur - ex->buffer);
     ex->buffer = realloc(ex->buffer, ex->size);
 }
diff --git a/cucul/export_ps.c b/cucul/export_ps.c
index 21351cc..76632b3 100644
--- a/cucul/export_ps.c
+++ b/cucul/export_ps.c
@@ -134,7 +134,7 @@ void _cucul_get_ps(cucul_t *qq, struct cucul_export *ex)
     cur += sprintf(cur, "showpage\n");
 
     /* Crop to really used size */
-    ex->size = strlen(ex->buffer) + 1;
+    ex->size = (uintptr_t)(cur - ex->buffer);
     ex->buffer = realloc(ex->buffer, ex->size);
 }
 
diff --git a/cucul/export_svg.c b/cucul/export_svg.c
index 721b3d9..f0f0f4e 100644
--- a/cucul/export_svg.c
+++ b/cucul/export_svg.c
@@ -146,7 +146,7 @@ void _cucul_get_svg(cucul_t *qq, struct cucul_export *ex)
     cur += sprintf(cur, "</svg>\n");
 
     /* Crop to really used size */
-    ex->size = strlen(ex->buffer) + 1;
+    ex->size = (uintptr_t)(cur - ex->buffer);
     ex->buffer = realloc(ex->buffer, ex->size);
 }