Indian President Pranab Mukherjee wished Israel a happy Independence Day on Monday, but unfortunately got the date wrong.

In an official statement released by the president’s office, Mukherjee mistakenly identified Israel’s “National Day” as May 3 — even though the Jewish state declared independence on May 14, 1948, and is celebrating 68 years of independence according to the Hebrew calendar on May 12.

Mukherjee said he sent a message to President Reuven Rivlin extending “felicitations to you and the friendly people of the State of Israel on the occasion of your National Day.”

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“Our common commitment to the safeguarding of our democratic institutions and our shared values of liberty, freedom and equality have helped in forging a deep friendship between our two nations,” Mukherjee said in the statement. “At the political level, our relations have been enhanced by frequent exchanges of visits which have served to deepen our mutual understanding and strengthen our resolve to work together to tackle the development challenges of the 21st century.”

Mukherjee visited Israel in October of last year, the first visit of its kind by an Indian head of state and an indicator of the warming ties between the two countries. He said in his missive to Rivlin on Monday that, “I was touched by the goodwill for India amongst the people and leadership of Israel.”

“I am happy to convey that this feeling is mutual and that we, in India, regard Israel with profound respect for its proud achievements. I very much valued our frank discussions that will, no doubt contribute to reinforcing our ties and building new bonds of trust and partnership between our peoples.”

Indian Prime Minister Narendra Modi, who took office in 2014, and Prime Minister Benjamin Netanyahu have both made bilateral cooperation key points for their foreign policies.

Since 1999 India has become the largest buyer of Israeli military equipment.

In October 2014, India agreed to a $525 million deal to buy Israel’s guided Spike missiles, which were widely used by the IDF during that summer’s Operation Protective Edge in Gaza.