diff --git a/lib/checkbufferoverrun.cpp b/lib/checkbufferoverrun.cpp
index 7b1a040ae..ee8f1506d 100644
--- a/lib/checkbufferoverrun.cpp
+++ b/lib/checkbufferoverrun.cpp
@@ -150,7 +150,8 @@ static int getMinFormatStringOutputLength(const std::vector<const Token*> &param
 
             if (digits_string.find('.') != std::string::npos) {
                 const std::string endStr = digits_string.substr(digits_string.find('.') + 1);
-                const int maxLen = std::max(std::abs(strToInt<int>(endStr)), 1);
+                // NOLINTNEXTLINE(cert-err34-c) - intentional use
+                const int maxLen = std::max(std::abs(std::atoi(endStr.c_str())), 1);
 
                 if (formatString[i] == 's') {
                     // For strings, the length after the dot "%.2s" will limit
diff --git a/test/testbufferoverrun.cpp b/test/testbufferoverrun.cpp
index d45d8f27e..4c2560ecc 100644
--- a/test/testbufferoverrun.cpp
+++ b/test/testbufferoverrun.cpp
@@ -234,6 +234,7 @@ private:
         TEST_CASE(buffer_overrun_33); //#2019
         TEST_CASE(buffer_overrun_34); //#11035
         TEST_CASE(buffer_overrun_35); //#2304
+        TEST_CASE(buffer_overrun_36);
         TEST_CASE(buffer_overrun_errorpath);
         TEST_CASE(buffer_overrun_bailoutIfSwitch);  // ticket #2378 : bailoutIfSwitch
         TEST_CASE(buffer_overrun_function_array_argument);
@@ -3342,6 +3343,14 @@ private:
         ASSERT_EQUALS("", errout.str());
     }
 
+    void buffer_overrun_36() { // #11708
+        check("void f(double d) {\n"
+              "    char a[80];\n"
+              "    sprintf(a, \"%2.1f\", d);\n"
+              "}\n");
+        ASSERT_EQUALS("", errout.str());
+    }
+
     void buffer_overrun_errorpath() {
         setMultiline();
         const Settings settingsOld = settings0;